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Is it good practice to use java.lang.String.intern()?
...s usually quite small; you may run into an OutOfMemoryError with plenty of free heap space.
(from Michael Borgwardt)
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Copy existing project with a new name in Android Studio
... answered Aug 20 '13 at 7:39
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How to query as GROUP BY in django?
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Django does not support free group by queries. I learned it in the very bad way. ORM is not designed to support stuff like what you want to do, without using custom SQL. You are limited to:
RAW sql (i.e. MyModel.objects.raw())
cr.execute sentences...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...preceded .net, it was necessary for any routine which received a string to free it when it was done with it. Because it was very common for empty strings to be passed into and out of routines, and because attempting to "free" a null pointer was defined as a legitimate do-nothing operation, Microsof...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...《服务协议》 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Artificially create a connection timeout error
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To test a connection timeout at the socket level, freeze the nc process with a kill -STOP <pid> (or just CTRL-Z it without putting in background). The system will act as if the server was running, but wait for the server to accept the connection, resulting in a connect...
Initialize a byte array to a certain value, other than the default null? [duplicate]
... along with GCHandleType.Pinned type argument, you should remember to use .Free on GCHandle to release to resources. More you can read in documentation: docs.microsoft.com/pl-pl/dotnet/api/…
– Kacper Werema
Aug 14 '19 at 8:49
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Can I add color to bootstrap icons only using CSS?
...iate color to the icons.
For example:
<span class="glyphicon glyphicon-info-sign text-info"></span>
adding text-info to the css will make the icon the info blue color.
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How to disable and re-enable console logging in Python?
... If you wanted to only filter message below a certain log level (say, all INFO messages), you could change the second line to something like logger.setLevel(logging.WARNING)
– Hartley Brody
Jan 5 '18 at 16:48
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What is the use of ObservableCollection in .net?
...dy has many operations like refreshing the UI built in so you get them for free when using ObservableCollections
class Handler
{
private ObservableCollection<string> collection;
public Handler()
{
collection = new ObservableCollection<string>();
collection.C...